摘要
为了了解西南某隧道工程施工过程中放射性辐射水平,估计隧道施工人员接受的γ辐射外照射剂量,分别采用BH5-FJ373型携带n-γ辐射仪、KJD2000R型连续测氡仪对隧道施工场所及工人居住区进行γ辐射和氡气浓度测量。结果表明该隧道γ辐射水平比该地区正常天然本底外照射水平高;隧道内平均氡气浓度也远高于工作场所氡浓度的补救行动水平。
For understanding the radiation level and estimateing external radiation dose of the constructors during the tunnel construction,BH5-FJ373n-γ radiometer and KJD2000R radon counter were used to measure gamma radiation level and radon concentration in tunnel places and residential district respectively.The results showed that gamma radiation level of the tunnel was higher than natural background radiation level in the region and average radon concentration in tunnel outclassed remedial action level in workplaces.
出处
《煤炭技术》
CAS
北大核心
2011年第4期121-122,共2页
Coal Technology
基金
教育部博士点基金(20060616010)支持
四川省教育厅自然科学重点项目(地层塌陷过程中氡的迁移变化研究)支持
关键词
隧道
氡气浓度
Γ辐射
剂量
tunnel
radon concentration
gamma radiation
dose
